<template>
  <div class="app-container">
    <el-form
      :model="queryParams"
      ref="queryForm"
      :inline="true"
      v-show="showSearch"
      label-width="68px"
    >
      <el-form-item label="视频标题" prop="videoTitle">
        <el-input
          v-model="queryParams.videoTitle"
          placeholder="请输入视频标题"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="视频简介" prop="videoDescription">
        <el-input
          v-model="queryParams.videoDescription"
          placeholder="请输入视频简介"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="视频分类" prop="videoType">
        <el-select
          v-model="queryParams.videoType"
          placeholder="请选择视频分类"
          clearable
          size="small"
        >
          <el-option
            v-for="item in videoTypeOptions"
            :key="item.value"
            :label="item.label"
            :value="item.value"
          >
          </el-option>
        </el-select>
      </el-form-item>
      <el-form-item label="视频链接" prop="videoUrl">
        <el-input
          v-model="queryParams.videoUrl"
          placeholder="请输入视频链接"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button
          type="primary"
          icon="el-icon-search"
          size="mini"
          @click="handleQuery"
          >搜索</el-button
        >
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery"
          >重置</el-button
        >
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['system:video:add']"
          >新增</el-button
        >
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['system:video:edit']"
          >修改</el-button
        >
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['system:video:remove']"
          >删除</el-button
        >
      </el-col>
      <!-- <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['system:video:export']"
          >导出</el-button
        >
      </el-col> -->
      <right-toolbar
        :showSearch.sync="showSearch"
        @queryTable="getList"
      ></right-toolbar>
    </el-row>

    <el-table
      v-loading="loading"
      :data="videoList"
      @selection-change="handleSelectionChange"
    >
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="视频id" align="center" prop="videoId" />
      <el-table-column label="视频标题" align="center" prop="videoTitle" />
      <el-table-column
        label="视频简介"
        align="center"
        prop="videoDescription"
      />
      <el-table-column label="视频分类" align="center" prop="videoType" />
      <!-- <el-table-column label="视频链接" align="center" prop="videoUrl" /> -->
      <el-table-column label="视频链接" align="center" prop="videoUrl" show-overflow-tooltip>
      </el-table-column>

      <el-table-column
        label="操作"
        align="center"
        class-name="small-padding fixed-width"
      >
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['system:video:edit']"
            >修改</el-button
          >
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['system:video:remove']"
            >删除</el-button
          >
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total > 0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改视频管理对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="视频标题" prop="videoTitle">
          <el-input v-model="form.videoTitle" placeholder="请输入视频标题" />
        </el-form-item>
        <el-form-item label="视频简介" prop="videoDescription">
          <el-input
            v-model="form.videoDescription"
            placeholder="请输入视频简介"
          />
        </el-form-item>
        <el-form-item label="视频分类" prop="videoType">
          <el-select v-model="form.videoType" placeholder="请选择视频分类">
            <el-option
              v-for="item in videoTypeOptions"
              :key="item.value"
              :label="item.label"
              :value="item.value"
            >
            </el-option>
          </el-select>
        </el-form-item>
        <!-- <el-form-item label="视频链接" prop="videoUrl">
          <el-input v-model="form.videoUrl" placeholder="请输入视频链接"  />
        </el-form-item> -->
          <el-form-item label="视频上传" >
            <VideoUpload @input="getVideoUrl"/>
          </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import {
  listVideo,
  getVideo,
  delVideo,
  addVideo,
  updateVideo,
  exportVideo,
} from "@/api/system/video";
import VideoUpload from '@/components/VideoUpload';


export default {
  name: "Video",
  components: {
    VideoUpload,
  },
  data() {
    return {
      videoTypeOptions: [
        {
          value: "精彩视频",
          label: "精彩视频",
        },
        {
          value: "教学视频",
          label: "教学视频",
        },
      ],
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 视频管理表格数据
      videoList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        videoTitle: null,
        videoDescription: null,
        videoType: null,
        videoUrl: null,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {},
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询视频管理列表 */
    getList() {
      this.loading = true;
      listVideo(this.queryParams).then((response) => {
        this.videoList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        videoId: null,
        videoTitle: null,
        videoDescription: null,
        videoType: null,
        videoUrl: null,
        createTime: null,
        updateTime: null,
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map((item) => item.videoId);
      this.single = selection.length !== 1;
      this.multiple = !selection.length;
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加视频";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const videoId = row.videoId || this.ids;
      getVideo(videoId).then((response) => {
        this.form = response.data;
        this.open = true;
        this.title = "修改视频";
      });
    },
    /** 提交按钮 */
    submitForm() {
      console.log(this.form)
      this.$refs["form"].validate((valid) => {
        if (valid) {
          if (this.form.videoId != null) {
            updateVideo(this.form).then((response) => {
              this.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addVideo(this.form).then((response) => {
              this.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const videoIds = row.videoId || this.ids;
      this.$confirm(
        '是否确认删除视频编号为"' + videoIds + '"的数据项?',
        "警告",
        {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning",
        }
      )
        .then(function () {
          return delVideo(videoIds);
        })
        .then(() => {
          this.getList();
          this.msgSuccess("删除成功");
        });
    },
    /** 导出按钮操作 */
    handleExport() {
      const queryParams = this.queryParams;
      this.$confirm("是否确认导出所有视频数据项?", "警告", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning",
      })
        .then(function () {
          return exportVideo(queryParams);
        })
        .then((response) => {
          this.download(response.msg);
        });
    },
    /**获取上传的视频url */
    getVideoUrl(url){
      // console.log("视频url：",url)
      this.form.videoUrl = url
    },
    getPath(obj) {
      if (obj) {
        if (window.navigator.userAgent.indexOf("MSIE") >= 1) {
          obj.select();

          return document.selection.createRange().text;
        } else if (window.navigator.userAgent.indexOf("Firefox") >= 1) {
          if (obj.files) {
            return obj.files.item(0).getAsDataURL();
          }
          return obj.value;
        }
        return obj.value;
      }
    },
  },
};
</script>
